Hvac Institutes IN Hyderabad.

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HVAC DESIGNING & INSTALLION SYLLABUS

 1. INTRODUCTION, SCOPE AND USE OF AIR CONDITIONING

       ASHRAE

       ISHRAE

       SMACNA

       ARI

       Definition of Air Conditioning

       HVAC Application

       How HVAC project execute (overview of design & project)

2. PHYSICS USED IN HVAC

       Heat

       British Thermal Unit

       Modes of heat transfer

       Unit of

       Refrigeration

       Temperature

       Temperature Scales

       Enthalpy

       Sensible and latent heat

       Vapor compression refrigeration cycle

       Vapor absorption refrigeration cycle

       Units

       System of units

       Conversions (used in HVAC)

3. CLASSIFICATION OF AIR-CONDITIONING

       Window air conditioners

       Split air conditioners

       Ductable air conditioners

       Package air conditioners

       Chillers (air cooled & water cooled chillers)

       FCU (fan coil unit)

       AHU (air handling unit)

       VRF (variable refrigerant flow)

       Desert cooler

       (Complete cycles involve in each machine, capacity range, application, differences will be cover

        in this chapter).

4. PSYCHOMETRIC

       Introduction

       Properties of air

       Dry bulb temperature

       Wet bulb temperature

       Dew point temperature

       Humidity ratio

       Relative humidity ***

       Saturated air

       Enthalpy of air

       Psychometric chart

       Psychometric analysis

       Sensible heat ratio

       By pass factor

       Contact factor

 5. SURVEY OF BUILDING

       Site inspection

       Civil layouts

       Orientation of building

       Section heights (BOS, BOB, BO F/C,)

       Physical dimensions

       Construction material

       Type of fall ceiling

       Doors and windows location

       No. of people, lighting, appliances. Etc

       Input file

6.  LOAD CALCULATION (cooling and heating)

       Manual calculation (Sample project)

       E-20 calculation Carrier Method

       CLTD ASHRAE Method

       Software calculation-

       BLOCK LOAD 4.15 LATEST VERSION

       HAP 4.41 LATEST VERSION (optional, fee: 5000 INR, DURATION 4 WEEKS.)

       Sources of heat

       Finding “u” value

       Heat gain through glass (conduction, radiation)

       Heat gain through sky lights

       Heat gain through wall (type of walls)

       Heat gain through roof

       Heat gain through partition, ceiling, floor

       Heat gain through ventilation

       Finding Ventilation CFM by people and area method

       Heat gain through infiltration

       Infiltration CFM by crack method & air change method

       Heat gain through people

       Heat gain through lighting

       Heat gain through appliances

7 MACHINE SELECTIONS.

       ·Type of System

       ·Factors effecting machine selection

       ·Window air condition selection

       ·Split air condition selection

       ·Ductable split air selection

       ·Package air condition selection

       ·VRF selection

       ·Chiller Selection

o    ·Selection of Air Cooled Chiller.

o    ·Selection of Water cooled Chiller

8 DESIGN OF DUCTS (MANUAL & SOFTWARE)

       Introduction to ducting

       SMACNA Standards

       Classification of ducts

       Duct material

       Duct gauge system

       Duct fittings

       Duct equipments

       Aspect ratio ***

       Recommended duct hangers distance

       Duct designing methods

       Recommended velocity for ducts

       Equal friction method ***

       Velocity reduction method

       Static regain method

       Exercises

       Duct insulation

       Thermal insulation

       Acoustic lining

       Material for insulation

       Duct drafting

       Duct installation

9 AIR DISTRIBUTION & TERMINAL SELECTIONS

       Condition for Good Distribution

       Air Patterns

       Types of air supply devices

       Diffuser

       Spot grill

       Continues grill

       Slot diffuser

       Ceiling plenum

       Little damper

       Butterfly damper

       Grill damper

       Volume control damper

       Standard sizes for ceiling diffuser

       Terminal selection

       Complete Planning For Low Side

10 Fan Selections

       Introduction

       Types of fan

       Fan laws

       Fan performance characteristics

       Fan selection requirements

       Loss coefficient

       Air volume CFM

       Static pressure

       Sound characteristics

       Fan selection

       Fan installation

11 VENTILATION

       Toilet exhaust system

       Car parking ventilation system

       Kitchen exhaust system

12 ESTIMATION OF MATERIAL REQUIREMENT WITH SPECIFICATIONS

       No. of GI sheets for ducting

       Gauge selection for ducting

       No. of SAD and RAD

       No. of VCD with size

       No. of spot grills

       Continues grills requirements

       Grill and diffuser dampers requirements

       FIRE damper & Butter fly dampers 

       Flexible duct requirements

       Flexible connection

13. DESIGN OF CHILLED WATER PIPES, (MANUAL & SOFTWARE)

      ·Series loop

       ·One pipe main

       ·Two pipe direct return

       ·Two pipe reverse return

       ·Three pipe system

       ·Four pipe system

       ·Material for chill water piping

       ·Classification of pipes

       ·Chill water pipe designing (or) Sizing

       ·Finding velocity

       ·Chill Water pipe sizing using Manual

       ·Chill Water pipe sizing using pipe sizer

       ·Floor piping

       ·Pipe installation

       ·Chill water pipe insulation

       ·Pipe insulation Material

       ·Insulation thickness.

14. FITTINGS

       ·Pipe fitting

       ·Machine fitting

       ·AHU (or) FCU fitting

       ·Pump fitting

       ·Chiller fitting

       ·Valve selection

15. CHILLED WATER PUMP SELECTION

16. CAV, VAV

17. AIR-CONDITIONING SYSTEMS AND EQUIPMENT

18. INSTRUMENTATION, TESTING AND BALANCING.

19. PLANNING AND DESIGNING THE HVAC SYSTEM. (CLASS PROJECT)

20. COMPLETE INSTALLING DETAIL FOR HVAC.

21. AUTOCAD 2D &HVAC drafting. (FREE, NOT APPLICABLE FOR ONLINE.)

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